1 files changed, 1 insertions, 0 deletions

diff --git a/graph.php b/graph.php
index f1696fa..b8a9206 100644
--- a/graph.php
+++ b/graph.php
@@ -38,6 +38,7 @@ if ($plugin == 'aggregation') {
 # plugin json
 if(function_exists('json_decode'))
 {
+        $plugin_json = null;
         if (file_exists('plugin/'.$plugin.'.json')) {
                 $json = file_get_contents('plugin/'.$plugin.'.json');
                 $plugin_json = json_decode($json, true);